Não informado. (1985). European Journal of Political Economy. North Holland Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. European Journal of Political Economy. Amsterdam: North Holland Publishing, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. European Journal of Political Economy. North Holland Publishing, 1985.
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